diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..d90e650
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "modules/speedtest"]
+	path = modules/speedtest
+	url = https://github.com/librespeed/speedtest
diff --git a/modules/speedtest b/modules/speedtest
new file mode 160000
index 0000000..97e0390
--- /dev/null
+++ b/modules/speedtest
@@ -0,0 +1 @@
+Subproject commit 97e0390680c44e132d870961ae824798df3658be